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authorLior David <qca_liord@qca.qualcomm.com>2017-08-28 22:18:41 +0300
committerKalle Valo <kvalo@qca.qualcomm.com>2017-08-31 15:19:26 +0300
commit40cbd88be702a2455b6e047dc13f5d51ed542063 (patch)
treef7da6ea540dcc0c09e98082958fc73238f1142e7 /drivers/net/wireless
parentc0cc00f250e19c717fc9cdbdb7f55aaa569c7498 (diff)
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wil6210: ratelimit errors in TX/RX interrupts
Sometimes there is a firmware crash but the hardware is not fully stopped and continue to send TX/RX interrupts. This can cause an overload of messages which can bring the host down. Add ratelimit to these error messages to fix this. Signed-off-by: Lior David <qca_liord@qca.qualcomm.com> Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index cad8a95c4e4e..59def4f3fcf3 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -244,7 +244,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr);
if (unlikely(!isr)) {
- wil_err(wil, "spurious IRQ: RX\n");
+ wil_err_ratelimited(wil, "spurious IRQ: RX\n");
return IRQ_NONE;
}
@@ -269,11 +269,12 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
need_unmask = false;
napi_schedule(&wil->napi_rx);
} else {
- wil_err(wil,
+ wil_err_ratelimited(
+ wil,
"Got Rx interrupt while stopping interface\n");
}
} else {
- wil_err(wil, "Got Rx interrupt while in reset\n");
+ wil_err_ratelimited(wil, "Got Rx interrupt while in reset\n");
}
}
@@ -302,7 +303,7 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
wil_dbg_irq(wil, "ISR TX 0x%08x\n", isr);
if (unlikely(!isr)) {
- wil_err(wil, "spurious IRQ: TX\n");
+ wil_err_ratelimited(wil, "spurious IRQ: TX\n");
return IRQ_NONE;
}
@@ -318,12 +319,13 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
need_unmask = false;
napi_schedule(&wil->napi_tx);
} else {
- wil_err(wil, "Got Tx interrupt while in reset\n");
+ wil_err_ratelimited(wil, "Got Tx interrupt while in reset\n");
}
}
if (unlikely(isr))
- wil_err(wil, "un-handled TX ISR bits 0x%08x\n", isr);
+ wil_err_ratelimited(wil, "un-handled TX ISR bits 0x%08x\n",
+ isr);
/* Tx IRQ will be enabled when NAPI processing finished */